Dorman 645-939 Pigtail Connector - Coolant Temperature Sensor

In stock
SKU: 591|645939
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $30.49
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|645939
  • Barcode 37495296854

Product Description

This engine coolant temperature sensor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

  • Direct replacement - this engine coolant temperature sensor connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution - this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience

Detailed Applications

Year Make Model Configuration Positions Application Notes
2005 Chevrolet Astro
2005 GMC Safari
2004 Chevrolet Astro
2004 GMC Safari
2003 Chevrolet Astro
2003 GMC Safari
2002 Chevrolet Astro
2002 Chevrolet Express 1500 V6 262 4.3L
2002 Chevrolet Express 1500 V8 305 5.0L
2002 Chevrolet Express 1500 V8 350 5.7L
2002 Chevrolet Express 2500 V6 262 4.3L
2002 Chevrolet Express 2500 V8 305 5.0L
2002 Chevrolet Express 2500 V8 350 5.7L
2002 Chevrolet Express 3500 V8 350 5.7L
2002 GMC Safari
2002 GMC Savana 1500 V6 262 4.3L
2002 GMC Savana 1500 V8 305 5.0L
2002 GMC Savana 1500 V8 350 5.7L
2002 GMC Savana 2500 V6 262 4.3L
2002 GMC Savana 2500 V8 305 5.0L
2002 GMC Savana 2500 V8 350 5.7L
2002 GMC Savana 3500 V8 350 5.7L
2001 Chevrolet Astro
2001 Chevrolet Express 1500
2001 Chevrolet Express 2500
2001 Chevrolet Express 3500
2001 GMC G3500
2001 GMC Safari
2001 GMC Savana 1500
2001 GMC Savana 2500
2001 GMC Savana 3500
2000 Chevrolet Astro
2000 Chevrolet Express 1500
2000 Chevrolet Express 2500
2000 Chevrolet Express 3500
2000 GMC G3500
2000 GMC Safari
2000 GMC Savana 1500
2000 GMC Savana 2500
2000 GMC Savana 3500
1999 Chevrolet Astro
1999 Chevrolet Express 1500
1999 Chevrolet Express 2500
1999 Chevrolet Express 3500
1999 Chevrolet P30
1999 GMC G3500
1999 GMC P3500
1999 GMC Safari
1999 GMC Savana 1500
1999 GMC Savana 2500
1 2345 »

Product Specifications

Overall Length (In): 17.1 in
Package Contents: 1 Harness - 1 Butt Connector
Package Quantity: 1
Packaging Type: Box
Terminal Gender: Female
Terminal Material: Tin Brass
Terminal Type: Blade
Wire Gauge Measurement: 18 ga.
Wire Quantity: 1

OE Numbers

DIRECT OE CROSS
12126458 GENERAL MOTORS